<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>HTML5新增表单属性</title>
    <style>
      input::placeholder {
        color: pink;
      }
    </style>
  </head>
  <body>
    <form action="">
      <input
        type="search"
        name="sear"
        id=""
        required="required"
        placeholder="pink老师"
        autofocus="autofocus"
        autocomplete="off"
      />
      <input type="file" name="" id="" multiple="multiple" />
      <input type="submit" value="提交" />
    </form>
  </body>
</html>
